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Planiscutellum
Taxonomy
Planiscutellum was named by Richter (1956) [Sepkoski's age data: S Ldov-u]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Styginidae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Styginidae by Jell and Adrain (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Planiscutellum Richter |
| 1960 | Protoscutellum Snajdr |
| 2002 | Planiscutellum Jell and Adrain p. 426 |
| 2002 | Planiscutellum Sepkoski |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Planiscutellum Richter 1956
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Invalid names: Protoscutellum Snajdr 1960 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ashgill - Llandovery | Canada (Québec) | Protoscutellum sp. (24457) | |
| Llandovery | Canada (Quebec) | Protoscutellum sp. (11391 11413 13134) | |
| Aeronian | Czech Republic | P. quasiplanum (14122) P. sp. (14087) | |
| Sheinwoodian | United Kingdom (England) | P. sp. (23061) | |
| Sheinwoodian | Czech Republic | P. planum (14046) P. sp. (14124) | |
| Wenlock | Czech Republic | P. planum (14090) | |
| Homerian | Czech Republic | P. planum (14050 14102) | |
| Ludlow | Canada (Yukon) | P. sp. (23078) |